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Matches 1 - 50 out of 32,235

Document Document Title
WO/2019/091833A1
The invention relates to a resonant power converter (1) converting a direct input voltage into an alternating or direct output voltage, comprising a transistor (2), and a first inductance (L1) connected to an input port (9) for a direct ...  
WO/2019/091776A1
The invention relates to a method for controlling a charger (10) for electrical accumulators, comprising a step of determining cyclic ratios suitable for controlling the sinusoidal currents at the input of the charger (10), and a step of...  
WO/2019/091465A1
A contactor control system (1) comprising a switching member (10), a high voltage load (4), a high voltage energy storage (2), a bi-directional DC/DC converter (5) operatively connected to the switching member (10), a high voltage capaci...  
WO/2019/092000A1
The present invention relates to a DC-to-AC power converter having a main DC input (1) and a main single-phase AC output (4) comprising a single DC-to-DC converter (5) and, firstly,according to a direct path, a bidirectional voltage-type...  
WO/2019/092610A1
A Voltage Regulator Module (VRM) includes a first voltage rail circuit board oriented in a first plane having formed therein a first plurality of conductors and configured to produce a first rail voltage, a second voltage rail circuit bo...  
WO/2019/091914A1
The invention relates to a method for controlling a three-phase Vienna rectifier (20), comprising three switching arms (1, 2, 3) that are each associated with one electrical phase (a, b, c), each switching arm (1, 2, 3) comprising a high...  
WO/2019/087542A1
A load abnormality detecting circuit for an inverter to detect abnormality of a load during an operation of the inverter which has a self-arc-extinguishing element as a switching element and a phase synchronizing loop controlling an outp...  
WO/2019/088550A1
An integrated system for power conversion and connection to a grid according to an embodiment of the present invention comprises: a power conversion unit for converting power between direct current power and alternating current power; a ...  
WO/2019/086819A1
A method for stabilising a DC electrical network comprising a DC voltage source which supplies at least one electrical block comprising a filter provided with an inductor and a capacitor, a converter and an electrical load. The method co...  
WO/2019/088354A1
An insulated gate drive device is disclosed. The present invention provides an insulated gate drive device which, in driving a full bridge power supply circuit, transmits a driving signal and driving power to a driving circuit for drivin...  
WO/2019/085756A1
Provided herein is an inverter module that can include a first inverter cell and a second inverter cell, each including at least one transistor device, and a cold plate placed in contact with or proximate to the at least one transistor d...  
WO/2019/086328A1
The invention relates to supplying power. So to provide a DC voltage based on an AC voltage with a low level of electro-magnetic interference while allowing for a desired power factor, the power supply circuit comprises an input stage un...  
WO/2019/085544A1
An output soft-start circuit for a switching power supply, used for implementing slow establishment of a switching power supply output voltage. After a power supply is started, an output voltage is increased, a capacitor is charged, sign...  
WO/2019/088878A1
The invention relates to power supplies for induction assemblies for stirring molten metals, in particular aluminium, in furnaces and mixers and is intended to improve stirring efficiency while having a high power factor and improved ene...  
WO/2019/085984A1
A parallel drive circuit for a power semiconductor device, comprising a signal isolation and drive control unit uniquely connected to an upper computer control signal interface, a drive isolation power supply unit uniquely connected to a...  
WO/2019/088678A1
Disclosed herein is an air conditioner including: a rectifier including a plurality of capacitors connected in series to each other, a switching device configured to control a flow of current supplied to the respective capacitors to char...  
WO/2019/080057A1
A method and apparatus for improving power factor switching, the method comprising: acquiring a first input voltage sample value of a current switching period and a second input voltage sample value of a previous switching period (S101);...  
WO/2019/082364A1
A power conversion device 100 equipped with a power module 10 containing a switching element, and also equipped with a metal case for storing the power module 10 within a plurality of case surfaces, wherein: the level of noise produced b...  
WO/2019/025740A3
Method for controlling an inverter (18) configured to power electrically a motor (12) comprising a stator and a rotor capable of being rotated relative to the stator when the motor (12) is electrically powered, the inverter (18) comprisi...  
WO/2019/081503A1
An electrical converter (10) comprises three branches (12) of series-connected converter cells (14), each converter cell (14) comprising a rectifier (34), a DC link (36) with a DC link capacitor (C) and an inverter (38), wherein the thre...  
WO/2019/082018A1
A forward converter includes an input voltage source divided into multiple divided input voltage sources, each of which provides a portion of a total input voltage of the input voltage source. The forward converter includes an output cir...  
WO/2019/083170A1
The present invention relates to a wireless power transmitter for wireless charging and a variable frequency switching mode power supplier mounted therein. A wireless power transmission apparatus according to an embodiment of the present...  
WO/2019/082535A1
The present invention concerns a method for on-line monitoring a DC- bus capacitor having a diode rectifier front end, the three-phase inverter controlling the three-phase power provided to a load at each switching cycle using a space ve...  
WO/2019/083924A1
A circuit arrangement for switched boundary mode power conversion, a corresponding signal processor and a method of switched boundary mode power conversion are provided. The circuit arrangement comprises an input for receiving an input v...  
WO/2019/084114A1
A circuit arrangement for switched mode power conversion is disclosed, which circuit arrangement comprises at least an input for receiving an input voltage from a power supply, an output to provide an output voltage to a load, an energy ...  
WO/2019/082363A1
A power conversion device equipped with a power module 10 which contains a switching element, and a metal case for housing a power module 10 within a plurality of case surfaces, wherein: a perforated metal structure is provided in the ra...  
WO/2019/076874A1
The present invention relates to a DC-DC converter assembly which comprises a DC-DC converter. A converter load is electrically connected between a positive input and a positive output of the DC-DC converter such that a DC input voltage ...  
WO/2019/076704A1
The present invention provides an AC/DC converter comprises an input for receiving a rectified AC input signal (Vin), an output for providing a controlled output signal (Vout) to a load (7), a switched mode power converter for transformi...  
WO/2019/077059A1
The invention relates to a method for determining an error voltage of a current converter to which a load, in particular in the form of a three-phase machine such as an asynchronous machine, is connected, is determined and if necessary c...  
WO/2019/075836A1
A non-isolated three-phase PFC converter and a control method therefor. The converter comprises a switch unit, a rectification unit and an energy storage flyback unit. The switch unit comprises three switch groups (Q1Q2, Q3Q4, Q5Q6); the...  
WO/2019/078013A1
The present invention sufficiently reduces the switching loss of a power conversion device. A DC-DC converter 100 has: a switching circuit 10 that converts inputted first direct current power into alternating current power; a transformer...  
WO/2019/078425A1
According to an exemplary embodiment of the present disclosure, provided are: a regulator circuit for generating at least one positive supply voltage from at least a portion of a light-emitting diode (LED) driving current having passed t...  
WO/2019/075619A1
A drive circuit for maintaining voltage balance of MOS transistors in an intermediate frequency plasma power supply, comprising a pulse transformation module and pulse isolation transformer driving modules; an input voltage is transforme...  
WO/2019/076481A1
The present invention relates to a method for controlling a power electronics system (200), in which method the power electronics system (200) comprises at least two power semiconductor switches (243, 244) and is controlled by a first co...  
WO/2019/079148A1
Systems and methods to reduce magnetic flux in a switched mode power supply are disclosed. An example welding-type power supply includes a switched mode power supply, including a transformer configured to transform an input voltage to a ...  
WO/2019/076643A1
The present invention discloses an operating device (2) for electrically power at least one building technology device (10), in particular a illuminant section having at least one illuminant, wherein the operating device (2) comprises an...  
WO/2019/077895A1
Recently, improvement in the detection precision of overcurrent has been desired. An overcurrent detection device is provided that comprises: a gate current detection unit that detects whether a gate current flowing to a semiconductor el...  
WO/2019/074595A1
Certain aspects of the present disclosure generally relate to methods and apparatus for powering up a charge pump converter and providing protection and softstart circuitry therefor. One example charge pump converter generally includes a...  
WO/2019/072682A1
This device (34) for charging an electrical accumulator battery (32) comprises a filtering stage (6) which is intended to be connected to the electrical network (4), a voltage decrease stage (18) which is connected to the filtering stage...  
WO/2019/075379A1
Electronic circuitry and method of operating the same to shape and reduce the circulating current through the active clamp in a flyback converter and to harvest most of the leakage inductance energy to provide the bias power. Methodologi...  
WO/2019/072561A1
The invention relates to a method for temporally determining switching operations at electrical switches (T1, …, Tn) in an H-bridge switch on a secondary side (2) of a device for inductively transmitting power (E), the device for induc...  
WO/2019/072709A1
Electrical systems of submarines have different requirements in terms of electrical voltages for operation. In order to ensure the supply of electrical energy, the energy must be regulated between different voltage levels. The aim of the...  
WO/2019/072936A1
The invention relates to a DC-DC converter with an electric coil which is connected to a DC voltage source and subsequently or additionally to an output segment in an alternating manner by means of electronic switches. The aim of the inv...  
WO/2019/074362A1
A device for compensating a leakage current comprises a common mode coil comprising a first plurality of windings (1) and a first common mode transformer comprising a second plurality of windings (2) and a further winding (5). The device...  
WO/2019/074597A1
A controller (100) may include a memory having computer- readable instructions stored therein; and a processor configured to execute the computer-readable instructions to generate Pulse Width Modulation (PWM) signals to control power swi...  
WO/2019/072593A1
The invention relates to a circuit arrangement comprising a microcontroller (MC'), which has a first analog-digital converter (ADC1), the input of which is connected to the output of a first multiplexer (MUX1) having n inputs, and the ou...  
WO/2019/073353A1
Apparatus (22, 90) for controlling DC voltage on a bus (26) includes a switched power converter (32), including a pair of terminals (31) for connection between the bus and a ground (28), a buffering capacitor (48), and switching circuitr...  
WO/2019/069489A1
The present invention obtains a power conversion circuit for obtaining a power conversion device in which charging/discharging of a parasitic capacitance by high-frequency switching is suppressed to reduce the loss of a semiconductor swi...  
WO/2019/070384A1
Certain aspects of the present disclosure relate to methods and apparatus for Multiple Input Single Inductor Multiple Output (MISIMO) power conversion for power management circuits. Certain aspects provide a method for controlling a powe...  
WO/2019/069647A1
In the present invention, among body diodes (DH, DL) of upper and lower arm switches (SWH, SWL), the diode to which reflux current flows during dead-time is defined as the target diode, the switch having this target diode among the upper...  

Matches 1 - 50 out of 32,235